It is most commonly used wax in the labs mikrokrystalicznym conservation. Used to protect metal surfaces from exposure to the weather. It is used primarily for maintenance of iron and marble. It does not contain acids. The surface of the metal before applying the wax must be thoroughly cleaned and degreased. Wax is applied to the varnish layer (eg PARALOID B44), and then polished. Yes secured items are resistant to the elements ... read more.